Home / 14,243.04-21,340.26-11,121.84

Finding the Fourth Proportional to 14,243.04, 21,340.26 and 11,121.84

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Solution

The fourth proportional to 14,243.04, 21,340.26 and 11,121.84 is: 16,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.04 : 21,340.26 = 11,121.84 : x
  2. Step 2: Convert to fraction form
    14,243.04/21,340.26 = 11,121.84/x
  3. Step 3: Cross multiply
    14,243.04x = 21,340.26 × 11,121.84
  4. Step 4: Simplify right side
    14,243.04x = 237,342,957.28
  5. Step 5: Solve for x
    x = 237,342,957.28/14,243.04
  6. Step 6: Final answer
    x = 16,663.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.